javascript - Whatsapp text format convert into html format

Question

Need help to convert whatsapp text format to html format and convert html format to whatsapp text format. Using php script or javascript.

*bold* to <strong>bold</strong>
<strong>bold</strong> to *bold*

_italic_ to <em>italic</em>
<em>italic</em> to _italic_

~strike~ to <del>strike</del>
<del>strike</del> to ~strike~

Answer 1

Try this:

let strBold = '*bold*';
let replacedBold = strBold.replace(/*(?=w)/, '<strong>').replace(/(?<=w)*/, '</strong>')
console.log(replacedBold);

let strItalic = '_italic_';
let replacedItalic = strItalic.replace(/\_(?=w)/, '<em>').replace(/(?<=w)\_/, '</em>');
console.log(replacedItalic);

let strStrike = '~strike~';
let replacedStrike = strStrike.replace(/~(?=w)/, '<del>').replace(/(?<=w)~/, '</del>');
console.log(replacedStrike);